CN110053730A - Semisubmersible platform and its ballasting system - Google Patents
Semisubmersible platform and its ballasting system Download PDFInfo
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- CN110053730A CN110053730A CN201810048131.5A CN201810048131A CN110053730A CN 110053730 A CN110053730 A CN 110053730A CN 201810048131 A CN201810048131 A CN 201810048131A CN 110053730 A CN110053730 A CN 110053730A
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- ballast
- general pipeline
- downlink
- ballasting system
- uplink
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J4/00—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for
- B63J4/002—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for for treating ballast water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/442—Spar-type semi-submersible structures, i.e. shaped as single slender, e.g. substantially cylindrical or trussed vertical bodies
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- Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Toxicology (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention provides a kind of semisubmersible platform and its ballasting system, ballasting system includes ballast pump, multiple ballast tanks, uplink ballast general pipeline, downlink ballast general pipeline, multiple ballast branch pipes, row's load pipe and row's outboard pipeline.The import of ballast pump is connected to Sea Chest；The outlet of the lower end connection ballast pump of uplink ballast general pipeline, upper end is higher than the water line of semisubmersible platform；The upper end of downlink ballast general pipeline is connected to the upper end of uplink ballast general pipeline, and is higher than the water line of semisubmersible platform；Each ballast branch pipe is connected to downlink ballast general pipeline respectively, and is connected respectively with the import of each ballast tank；Row carries the outlet of pipe connection ballast tank and the import of ballast pump；The outlet arranged the upper end of outboard piping connection uplink ballast general pipeline, and arrange outboard pipeline is higher than the water line of semisubmersible platform.Ballasting system of the invention realizes gravity type water filling, reduces the pressure from ballast pump that each ballast tank is born.
Description
Technical field
The present invention relates to offshore engineering equipment technical field, in particular to a kind of semisubmersible platform and its ballasting system.
Background technique
Common semisubmersible platform is made of tens big system, and wherein ballasting system is that the drinking water of adjustment ship is pacified
The important system of full metacentric height.Currently, the ballast that the ballasting system of semi-submersible offshore platform is main or traditional
System, including ballast pump, ballast pipeline and various valves, ballast general pipeline are located in floating drum, and seawater passes through after Sea Chest
Ballast pump is directly loaded to each ballast tank, and ballast tank is also to arrange side of a ship outer tube by the ballast in floating drum again via ballast pump when draining
Directly arrange sea in road.
Since all valves and pipeline of traditional ballasting system are respectively positioned in floating drum, it can think ballasting system
All valves and pipeline are respectively positioned on towage underwater, so seawater inlet port is all located under sea, if artificial mistake is grasped
Make to open the valve connecting with outboard, valve is caused accidentally to open, then seawater will flow backward to ballast tank, so that ballast tank is intake, ship
Oceangoing ship loses stability balance, or after ballast tank sounding system breaks down, and detects the water level less than ballast tank, and ballast pump continues
Work is constantly filled the water to ballast tank, and ballast tank can bear the pressure of the ballast water in seawater and permeability cell, these all may
Cause ballast tank damaged, there are the risks toppled for platform.
Summary of the invention
The purpose of the present invention is to provide a kind of semisubmersible platform and its ballasting systems, to solve in the prior art ask
Topic.
In order to solve the above technical problems, the present invention provides a kind of ballasting system of semisubmersible platform, including ballast pump, setting
In multiple ballast tanks in floating drum and column, the ballast pump is set in floating drum, and the import of ballast pump is connected to Sea Chest, institute
State ballasting system further include: uplink ballast general pipeline, lower end connect the outlet of the ballast pump, and upper end is flat higher than the semi-submersible type
The water line of platform；Downlink ballast general pipeline, the upper end are connected to the upper end of the uplink ballast general pipeline, and it is flat to be higher than the semi-submersible type
The water line of platform；Multiple ballast branch pipes are connected to the downlink ballast general pipeline respectively, and are connected respectively with each ballast tank；Row
Pipe is carried, the outlet of ballast tank and the import of the ballast pump are connected to；Outboard pipeline is arranged, the upper of the uplink ballast general pipeline is connected
End, and the outlet of row's outboard pipeline is higher than the water line of the semisubmersible platform.
Preferably, the upper end of the uplink ballast general pipeline is concordant with the upper end of the downlink ballast general pipeline, and connects by one
Adapter tube connection.
Preferably, the connecting tube is equipped with the first valve, and the upper end of the downlink ballast general pipeline is equipped with the second valve；Institute
The row's of stating outboard piping connection is between first valve and second valve.
Preferably, the upper end of the downlink ballast general pipeline connects a permeability cell；The import of the permeability cell is located at described the
The lower section of two valves, and the outlet of the permeability cell is communicated with outside air.
Preferably, the position of the permeability cell outlet is higher than at the top of the column of the semisubmersible platform.
Preferably, the upper end of the uplink ballast general pipeline is arranged in the column vertically with the downlink ballast general pipeline.
Preferably, the ballasting system further includes a drainpipe, and described drainpipe one end connects the import of the ballast pump, separately
One end connects the mechanical region of the semisubmersible platform；It is provided on the drainpipe for controlling the row between the drainpipe on-off
Water valve.
Preferably, the ballasting system further includes a floating drum main line, and the floating drum main line is located in the floating drum simultaneously
Extend along floating drum length direction；The floating drum main line connect the downlink ballast general pipeline outlet and the row carry pipe into
Mouthful；Each ballast branch pipe in floating drum is separately connected the floating drum main line, thus with the downlink ballast general pipeline's
The import that outlet and the row carry pipe is connected.
Preferably, the lower end of the downlink ballast general pipeline is equipped with the 4th valve, to control the downlink ballast general pipeline and institute
State the on-off of floating drum main line.
The present invention also provides a kind of semisubmersible platforms, including ballasting system as described above.As shown from the above technical solution,
The advantages and positive effects of the present invention are: when ballasting system ballast water of the invention, ballast water is injected uplink pressure by ballast pump
General pipeline is carried, after ballast water reaches the upper end of uplink ballast general pipeline, then fill the water by gravity to each ballast tank through downlink ballast general pipeline, reality
The gravity type water filling for having showed ballasting system, reduces the pressure from ballast pump that each ballast tank is born.And works as and be not necessarily to pressure
Carry cabin injection ballast water when, if because the system failure or because the factors such as artificial maloperation cause ballast pump work on be pumped into it is extra
Ballast water, the extra ballast water can be discharged into sea by the row's outboard pipeline for being connected to the upper end uplink ballast general pipeline automatically, without
Each ballast tank can be injected downwardly into through downlink ballast general pipeline and generates excessive pressure to each ballast tank.When ballasting system draining,
Ballast water in each ballast tank is carried Guan Zaihang to uplink ballast general pipeline by row by ballast pump, reaches the upper of uplink ballast general pipeline
End, then through row's outboard pipeline discharge, do not communicated directly with external dynamic sea, the outlet water inlet of the row's of avoiding outboard pipeline improves
The safety of drainage procedure.
Detailed description of the invention
Fig. 1 is the schematic diagram of ballasting system embodiment of the present invention.
Wherein, the reference numerals are as follows: 100, ballasting system；1, ballast pump；2, ballast pump inlet valve；3, ballast pumps out
Mouth valve；5, uplink ballast general pipeline；7, downlink ballast general pipeline；8, the second valve；9, the 4th valve；11, row carries pipe；12, third valve
Door；14, connecting tube；15, the first valve；17, ballast branch pipe；19, outboard pipeline is arranged；22, drainpipe；23, drain valve；25, it floats
Cylinder main line；27, permeability cell；29, ballast water treatment plant；300, pillar outer panel；400, Sea Chest；500, sea intake valve；
600, mechanical region.
Specific embodiment
The exemplary embodiment for embodying feature of present invention and advantage will describe in detail in the following description.It should be understood that
The present invention can have various variations in different embodiments, neither depart from the scope of the present invention, and theory therein
Bright and diagram inherently is illustrated as being used, rather than to limit the present invention.
Principle and structure in order to further illustrate the present invention carry out the preferred embodiment of the present invention now in conjunction with attached drawing detailed
It describes in detail bright.
The present invention provides a kind of semisubmersible platform, and primary structure includes floating drum, column and deck box, and deck box passes through more
A upright supports are on floating drum.
Floating drum and column provide buoyancy for semisubmersible platform.Multiple ballast tanks are set in floating drum.Each column then can basis
Actual needs and the setting of selectivity are not provided with ballast tank, and in column when setting ballast tank, each ballast tank is along stem height point
Layer arrangement.By injecting ballast water into each ballast tank or discharging ballast water out of each ballast tank, thus to partly latent
Formula platform carries out ballast adjusting.Ballast water is seawater, generally provides power by ballast pump and enters ballasting system participation through Sea Chest
Ballast is adjusted.
Refering to fig. 1, ballast pump 1 is set in floating drum, and the both ends of ballast pump 1 are provided with valve, respectively ballast pump
Inlet valve 2 and ballast pump outlet valve 3.The import of ballast pump 1 is connected to Sea Chest 400.Between Sea Chest 400 and ballast pump 1 also
It, can when sea intake valve 500 is opened to control the on-off between ballast pump 1 and Sea Chest 400 equipped with sea intake valve 500
External sea water pump is entered.
Preferred embodiment in accordance with the present invention passes through uplink ballast general pipeline 5, downlink pressure between each ballast tank and ballast pump 1
It carries general pipeline 7, multiple ballast branch pipes 17, row's load pipe 11 and the connection of row's outboard pipeline 19 and forms ballasting system 100.
Wherein, the outlet of the lower end connection ballast pump 1 of uplink ballast general pipeline 5, uplink ballast general pipeline 5 prolong upwards out of floating drum
It stretches, the line of demarcation L2 across floating drum and column enters in column, and extends further up in column, uplink ballast general pipeline 5
Upper end be higher than semisubmersible platform water line.The upper end of downlink ballast general pipeline 7 is connected to the upper end of uplink ballast general pipeline 5, and
Higher than the water line of semisubmersible platform, downlink ballast general pipeline 7 is extended downwardly in column, and passes through the line of demarcation of floating drum and column
L2 enters in floating drum.Each ballast branch pipe 17 is connected to downlink ballast general pipeline 7 respectively, and is connected respectively with each ballast tank.Row carries
Pipe 11 is connected to the outlet of ballast tank and the import of ballast pump 1.The upper end that outboard pipeline 19 connects uplink ballast general pipeline 5 is arranged, and is arranged
The outlet semisubmersible platform external environment of outboard pipeline 19, and it is higher than the water line of semisubmersible platform.
The working principle of ballasting system 100 of the invention are as follows:
When need to inject ballast water, sea intake valve 500, ballast pump inlet valve 2 and ballast pump outlet valve 3, ballast pump 1 are opened
Ballast water is injected uplink ballast general pipeline 5 by starting, and ballast water rises to along uplink ballast general pipeline 5 and reaches uplink ballast general pipeline's 5
It behind upper end, enters back into downlink ballast general pipeline 7, leans on gravity downlink, filled the water through each ballast branch pipe 17 to corresponding each ballast tank, it is real
The gravity type water filling for having showed ballasting system 100, reduces the pressure from ballast pump 1 that each ballast tank is born.When without to
Ballast tank inject ballast water when, if because the system failure or because the factors such as artificial maloperation cause ballast pump 1 work on be pumped into it is more
Remaining ballast water, the extra ballast water can be discharged into greatly by the row's outboard pipeline 19 for being connected to 5 upper end uplink ballast general pipeline automatically
Sea generates excessive pressure to each ballast tank without being injected downwardly into each ballast tank through downlink ballast general pipeline 7.
When needing that ballast water is discharged, sea intake valve 500 is closed, opens ballast pump inlet valve 2 and ballast pump outlet valve
3, ballast pump 1 starts, and the ballast water in each ballast tank enters row through corresponding ballast branch pipe 17 and carries pipe 11, passes through ballast pump 1
Into uplink ballast general pipeline 5, continue the upper end that uplink reaches uplink ballast general pipeline 5, then be discharged through row's outboard pipeline 19, not with
External dynamic sea directly communicates, and the outlet water inlet of the row's of avoiding outboard pipeline 19 improves the safety of drainage procedure.
This ballasting system 100 realizes water filling by gravity, therefore the caliber of the permeability cell of each ballast tank is (i.e. not less than injection pipe
Each ballast branch pipe 17) 0.25 times of caliber can meet code requirement, compared with the prior art in the caliber of permeability cell be injection
1.25 times of pipe caliber, the caliber of permeability cell of each ballast tank greatly reduces in the present invention, weight saving, to alleviate partly latent
The weight of formula platform.
In addition, the fall head of ballast pump 1 is high lower than column because this ballasting system 100 realizes water filling by gravity
Degree, the fall head compared with ballast pump in the prior art is small, reduces the thickness of each ballast tank bulkhead, weight saving, to subtract
The light weight of semisubmersible platform.
More preferably, the upper end of uplink ballast general pipeline 5 is connect with the upper end of downlink ballast general pipeline 7 by a connecting tube 14, and
Connecting tube 14 is equipped with the first valve 15 for controlling 14 on-off of connecting tube.In the present embodiment, uplink ballast general pipeline 5 and downlink
Ballast general pipeline 7 arranges that the upper end of uplink ballast general pipeline 5 is concordant with the upper end of downlink ballast general pipeline 7, connecting tube vertically in column
14 be a straight tube, and in column, uplink ballast general pipeline 5, downlink ballast general pipeline 7 connect to form inverted U with connecting tube 14.Other realities
It applies in example, connecting tube 14 can be also curved pipe or the pipe of other shapes, and uplink ballast general pipeline 5 and downlink ballast general pipeline 7 are in column
It can also inside arrange as needed.Uplink ballast general pipeline 5 and trend of the downlink ballast general pipeline 7 in floating drum can be according to actual needs
And it arranges.
The upper end of downlink ballast general pipeline 7 is equipped with the second valve 8 for controlling 7 on-off of downlink ballast general pipeline, when ballast system
When system 100 carries out ballast work, the second valve 8 is opened；When no longer needing to continue to inject ballast water, the second valve 8 is closed.?
When second valve 8 is in closed state, such as ballasting system 100 causes ballast pump 1 to carry out because of failure or because of artificial maloperation factor
When ballast works, extra ballast water will not enter each ballast tank through downlink ballast general pipeline 7, but can be via being connected to uplink pressure
The row's outboard pipeline 19 for carrying 5 upper end general pipeline is discharged into sea, will not generate unnecessary pressure to each ballast tank.
The upper end of downlink ballast general pipeline 7 is also connected with a permeability cell 27, and the import of the permeability cell 27 is located under the second valve 8
Side, the outlet outside air of permeability cell 27 can prevent downlink ballast general pipeline 7 from generating water hammer and surging phenomenon.Specifically,
In the present embodiment, the outlet of permeability cell 27 is higher than at the top of the column of semisubmersible platform.As shown in Figure 1, the outlet of i.e. permeability cell 27
Higher than the line of demarcation L1 of the middle deck Fig. 1 box and column.In other embodiments, the outlet of permeability cell 27 may be additionally located at other positions,
As long as can guarantee that the outlet of permeability cell 27 is communicated with outside air.
Ballasting system 100 further includes a floating drum main line 25, and floating drum main line 25 is located in floating drum and along floating drum length side
To extension.Floating drum main line 25 connects the outlet of downlink ballast general pipeline 7 and the import of row's load pipe 11.Each ballast in floating drum
Cabin connects floating drum main line 25 through each ballast branch pipe 17 respectively, thus realize in floating drum each ballast tank and downlink ballast general pipeline 7 and
Row carries pipe 11 and is connected.Each ballast tank in column connects downlink ballast general pipeline 7 through ballast branch pipe 17 respectively, realizes column
Interior each ballast tank is connected with downlink ballast general pipeline 7, and carries pipe 11 by downlink ballast general pipeline 7, floating drum main line 25 and row
Connection, and realize that each ballast tank is connected with row's load pipe 11 in column.
The lower end of downlink ballast general pipeline 7 is equipped with the 4th valve 9, with control downlink ballast general pipeline 7 and floating drum main line 25 it
Between on-off.When ballasting system 100 carries out ballast, the 4th valve 9 is opened, ballast water enters in downlink ballast general pipeline 7, by weight
Power downlink enters in floating drum main line 25 through the 4th valve 9, and each ballast branch pipe 17 in floating drum is to corresponding each ballast tank
Water filling.After the completion of the ballast work in floating drum, when carrying out the ballast work in column, the 4th valve 9 is closed, is continued to column
Interior ballast tank water filling, after the water level of ballast tank each in column attains to a high place alarm water level, closes each valve, ballast pump 1
It stops working, ballast work is completed.When ballasting system 100, which carries out row, to be carried, the 4th valve 9 is closed, ballast pump 1 starts, is located at
The ballast water of each ballast tank in floating drum enters floating drum main line 25 through corresponding ballast branch pipe 17, and the row of entering back into carries pipe 11, then
It flows through ballast pump 1 and enters uplink ballast general pipeline 5, continue the upper end that uplink reaches uplink ballast general pipeline 5, then through arranging outboard pipeline 19
Discharge.After the completion of the row in floating drum carries work, when carrying out row's load work in column, the 4th valve 9 is opened, is located in column
Each ballast tank ballast water through downlink ballast general pipeline 7 enter floating drum main line 25, the row of entering back into load pipe 11, pass through ballast pump
1 enters uplink ballast general pipeline 5, continues the upper end that uplink reaches uplink ballast general pipeline 5, then be discharged through row's outboard pipeline 19.
Row carries the third valve 12 for being provided on pipe 11 and carrying 11 on-off of pipe for the row of control.Third valve 12 and sea intake
Valve 500 has the function of logical interlock, prevents seawater from being flowed directly into each ballast tank by Sea Chest 400, when ballasting system 100 into
When row ballast works, sea intake valve 500 is opened, third valve 12 is automatically closed, and each ballast branch pipe 17 carries pipe 11 with row and is in
The seawater of off-state, Sea Chest 400 can only be reinjected in each ballast tank by ballast pump 1 into uplink ballast general pipeline 5.Work as pressure
When loading system 100 carries out row's load work, third valve 12 is opened, sea intake valve 500 is automatically closed, and row carries pipe 11 and ballast pump
1 communicates, and then makes the ballast water in each ballast tank that can carry pipe 11 via row and enter uplink ballast general pipeline 5 again through arranging outboard pipeline 19
Discharge.
Row's outboard pipeline 19 is connected between the first valve 15 and the second valve 8.And row's outboard pipeline 19 is pierced by outside column
Plate 300 is located at the outlet for arranging outboard pipeline 19 except column so as to which ballast water is discharged into sea.
Ballast water treatment plant 29 is provided on uplink ballast general pipeline 5, so that the seawater in ballast of ballasting system 100 is necessary
It could be flowed into each ballast tank by ballast water treatment plant 29；When arranging load, the ballast water in each ballast tank is also had to pass through
Ballast water treatment plant 29 can just be discharged into sea, and the marine growth for avoiding different waters pollutes mutually, destroy the ecosystem.This reality
It applies in example, ballast water treatment plant 29 is set in floating drum.
Ballasting system 100 further includes a drainpipe 22, and 22 one end of drainpipe connects the import of ballast pump 1, and the other end connects partly latent
The mechanical region 600 of formula platform.When leakage occurs for mechanical region 600 or breakage causes floods, the scarce capacity of burr pump is with rapid
Emptying a large amount of water when, start ballast pump 1, a large amount of water of quickly emptying mechanical region 600 worked at the same time with burr pump, is protected
Hold the stability of semisubmersible platform.More preferably, the drain valve 23 for controlling 22 on-off of drainpipe is provided on drainpipe 22.
When the mechanical region 600 of semisubmersible platform drains, drain valve 23, ballast pump inlet valve 2, ballast pump outlet valve are opened
3 and first valve 15, start ballast pump 1, the ballast water of mechanical region 600 through drainpipe 22 flows through ballast pump, and to enter uplink ballast total
Pipe 5 continues the upper end that uplink reaches uplink ballast general pipeline 5, then is discharged through row's outboard pipeline 19.
As shown from the above technical solution, the advantages and positive effects of the present invention are: ballasting system ballast water of the invention
When, ballast water is injected uplink ballast general pipeline by ballast pump, after ballast water reaches the upper end of uplink ballast general pipeline, then through downlink ballast
General pipeline is filled the water by gravity to each ballast tank, is realized the gravity type water filling of ballasting system, is reduced what each ballast tank was born
From the pressure of ballast pump.And when without injecting ballast water to ballast tank, if because of the system failure or because of factors such as artificial maloperations
Cause ballast pump to work on and be pumped into extra ballast water, which can be automatically by being connected on uplink ballast general pipeline
Row's outboard pipeline at end is discharged into sea, generates without being injected downwardly into each ballast tank through downlink ballast general pipeline to each ballast tank
More pressure.When ballasting system draining, the ballast water in each ballast tank is carried Guan Zaihang to uplink ballast by row by ballast pump
General pipeline reaches the upper end of uplink ballast general pipeline, then through row's outboard pipeline discharge, does not communicate directly, avoid with external dynamic sea
The outlet water inlet for arranging outboard pipeline, improves the safety of drainage procedure.
The above is only preferable possible embodiments of the invention, not limit the scope of the invention, all with the present invention
The variation of equivalent structure made by specification and accompanying drawing content, is included within the scope of protection of the present invention.
Claims (10)
1. a kind of ballasting system of semisubmersible platform, described including ballast pump, the multiple ballast tanks being set in floating drum and column
Ballast pump is set in floating drum, and the import of ballast pump is connected to Sea Chest, which is characterized in that the ballasting system further include:
Uplink ballast general pipeline, lower end connect the outlet of the ballast pump, and upper end is higher than the water line of the semisubmersible platform；
Downlink ballast general pipeline, the upper end are connected to the upper end of the uplink ballast general pipeline, and are higher than eating for the semisubmersible platform
Waterline；
Multiple ballast branch pipes are connected to the downlink ballast general pipeline respectively, and are connected respectively with each ballast tank；
Row carries pipe, is connected to the outlet of ballast tank and the import of the ballast pump；
Outboard pipeline is arranged, connects the upper end of the uplink ballast general pipeline, and the outlet of row's outboard pipeline is higher than described partly latent
The water line of formula platform.
2. ballasting system according to claim 1, which is characterized in that the upper end of the uplink ballast general pipeline and the downlink
The upper end of ballast general pipeline is concordant, and is connected by a connecting tube.
3. ballasting system according to claim 2, which is characterized in that the connecting tube is equipped with the first valve, under described
The upper end of row ballast general pipeline is equipped with the second valve；Row's outboard piping connection in first valve and second valve it
Between.
4. ballasting system according to claim 3, which is characterized in that the upper end connection one of the downlink ballast general pipeline is ventilative
Pipe；The import of the permeability cell is located at the lower section of second valve, and the outlet of the permeability cell is communicated with outside air.
5. ballasting system according to claim 4, which is characterized in that the position of the permeability cell outlet is higher than described partly latent
At the top of the column of formula platform.
6. ballasting system according to claim 1, which is characterized in that the upper end of the uplink ballast general pipeline and the downlink
Ballast general pipeline is arranged vertically in the column.
7. ballasting system according to claim 1, which is characterized in that the ballasting system further includes a drainpipe, described
Drainpipe one end connects the import of the ballast pump, and the other end connects the mechanical region of the semisubmersible platform；It is arranged on the drainpipe
There is the drain valve for controlling the drainpipe on-off.
8. ballasting system according to claim 1, which is characterized in that the ballasting system further includes a floating drum main line,
The floating drum main line is located in the floating drum and extends along floating drum length direction；
The floating drum main line connects the outlet of the downlink ballast general pipeline and the import of row load pipe；
Each ballast branch pipe in floating drum is separately connected the floating drum main line, thus with the downlink ballast general pipeline's
The import that outlet and the row carry pipe is connected.
9. ballasting system according to claim 8, which is characterized in that the lower end of the downlink ballast general pipeline is equipped with the 4th valve
Door, to control the on-off between the downlink ballast general pipeline and the floating drum main line.
10. a kind of semisubmersible platform, which is characterized in that including ballasting system as described in any one of claims 1-9.
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|---|---|---|---|
| CN201810048131.5A CN110053730B (en) | 2018-01-18 | 2018-01-18 | Semi-submersible platform and ballast system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810048131.5A CN110053730B (en) | 2018-01-18 | 2018-01-18 | Semi-submersible platform and ballast system thereof |
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| CN110053730A true CN110053730A (en) | 2019-07-26 |
| CN110053730B CN110053730B (en) | 2020-12-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110723252A (en) * | 2019-10-25 | 2020-01-24 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Quick exhaust structure of ballast water tank at bottom of ship |
| CN111396751A (en) * | 2020-03-30 | 2020-07-10 | 广船国际有限公司 | Ship boiler water discharge device, use method thereof and ship |
| CN113636026A (en) * | 2020-12-04 | 2021-11-12 | 招商局重工（江苏）有限公司 | Rapid ballast system of semi-submersible type hoisting and dismantling platform and operation method thereof |
| CN113942611A (en) * | 2021-11-29 | 2022-01-18 | 沪东中华造船(集团)有限公司 | Marine multifunctional pumping system |
| CN115176739A (en) * | 2022-08-05 | 2022-10-14 | 烟台中集来福士海洋工程有限公司 | Net cage ballast system and ballast submerging method thereof |
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| CN113942611A (en) * | 2021-11-29 | 2022-01-18 | 沪东中华造船(集团)有限公司 | Marine multifunctional pumping system |
| CN115176739A (en) * | 2022-08-05 | 2022-10-14 | 烟台中集来福士海洋工程有限公司 | Net cage ballast system and ballast submerging method thereof |
| CN115176739B (en) * | 2022-08-05 | 2024-02-27 | 烟台中集来福士海洋工程有限公司 | Net cage ballast system and ballast submerging method thereof |
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